Finding the Fourth Proportional to 97,135.61, 145,431.23 and 73,368.38
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Solution
The fourth proportional to 97,135.61, 145,431.23 and 73,368.38 is: 109,846.99
Step by Step Solution
- Step 1: Write the proportion equation
97,135.61 : 145,431.23 = 73,368.38 : x - Step 2: Convert to fraction form
97,135.61/145,431.23 = 73,368.38/x - Step 3: Cross multiply
97,135.61x = 145,431.23 × 73,368.38 - Step 4: Simplify right side
97,135.61x = 10,670,054,001.18 - Step 5: Solve for x
x = 10,670,054,001.18/97,135.61 - Step 6: Final answer
x = 109,846.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.